...Disk Cleaner, Advance SystemCare,AVG? I have the following free programs in my PC: Malwarebytes Anti-Malware, Comodo Internet Security, Wise Disk Cleaner 4, Wise Registry Cleaner 4, Advance System Care Free, AVG Anti-virus and REVO Uninstaller. What software is not important and should be removed in my PC? Thank you very much!